[KYUUBI #1461] [DOC] Remove deprecated dist repo directory for deprecated release candidates

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Closes #1461 from turboFei/remove_old_staging.

Closes #1461

a6670be [Fei Wang] [DOC] Remove deprecated dist repo directory for deprecated release candidates

Authored-by: Fei Wang <fwang12@ebay.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>

Author: turboFei

docs/community/release.md

@@ -230,3 +230,16 @@ Once everything is working, create an announcement on the website and then send
 The mailing list includes: `announce@apache.org`, `dev@kyuubi.apache.org`, `user@spark.apache.org`.
 
 Enjoy an adult beverage of your choice, and congratulations on making a Kyuubi release.
+
+
+## Remove the dist repo directories for deprecated release candidates
+
+Remove the deprecated dist repo directories at last. 
+
+```shell
+cd work/svn-dev
+svn delete https://dist.apache.org/repos/dist/dev/incubator/kyuubi/{RELEASE_TAG} \
+  --username "${ASF_USERNAME}" \
+  --password "${ASF_PASSWORD}" \
+  --message "Remove deprecated Apache Kyuubi ${RELEASE_TAG}" 
+```